Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Lithosphere
2.
B.
Mantle
3.
C.
Core
4.
D.
Asthenosphere
5.
E.
Convection
6.
F.
Crust
7.
G.
Dense
8.
H.
Inner Core
9.
I.
Outer Core